Pump selection
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The main parameters are as shown in the figure. The cracking working system is negative pressure. The pressure has been marked in red. The flow rate may vary slightly. Which pump is more suitable.
Because the system is under negative pressure and the suction port is under negative pressure, the current centrifugal pump cannot be used.
What is the configuration of the current centrifugal pump? Single end machine seal WB2? Change the configuration. . . . .
It’s not WB2. The machine seal is containerized.
At present, the vibration during use is so great that the base bolts can be broken by vibration, and one pump casing has been cracked by vibration.
Consider lowering the installation height and using, for example, a VS6 pump. :lol
It is recommended to give the NPSHA limit value before selecting the pump and then the mechanical seal.
What is the maximum pressure of -0.95MPa?